Facebook will target users with real-time ads during the big game and the FAA warns against flying drones near the stadium on Sunday. Perhaps the next Super Bowl will unleash drones to hunt down drones.

Facebook will target users with real-time ads during the biggame and the FAA warns against flying drones near the stadium on Sunday. Perhaps the next Super Bowl will unleash drones to hunt down drones.

Smartwatches always draw the stares and leers of CES showgoers, but it's clear that this year's batch of wrist wearables are a different breed. To compete with the likes of Samsung and Apple, they focus more on simple designs with competitive price tags to undercut the competition.

After three years of testing, Harvard University showed off a swarm of 1024 Kilobots that can self-assemble into various shapes this week. They're still small, but maybe someday, the technology can be used for mightier things (that hopefully don't involve destroying humanity).